Wolff, Robert Paul . <br/><br/>
About Philosophy /  Textual Documents 
Robert Paul Wolff. 
 - ist ed / 
 - London :  Prentice Hall ,  1998. 
 - 468pg ;  18cm. 
<br/><br/><label>Subjects--Index Terms: </label>Philosophy G- Philosophy 
<br/><br/><label>Dewey Class. No.: </label>101  / Wo 832 Ab